91438760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{326567}}^1$

素因数の和:326585

約数の個数: 32

約数和(自身を含む): 235128960

約数和(自身を除く): 143690200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 326567, 653134, 1306268, 1632835, 2285969, 2612536, 3265670, 4571938, 6531340, 9143876, 11429845, 13062680, 18287752, 22859690, 45719380, 91438760]

約数ペア:

[(1, 91438760), (2, 45719380), (4, 22859690), (5, 18287752), (7, 13062680), (8, 11429845), (10, 9143876), (14, 6531340), (20, 4571938), (28, 3265670), (35, 2612536), (40, 2285969), (56, 1632835), (70, 1306268), (140, 653134), (280, 326567)]